$(function(){

	document.getElementById("magnetizeSelect").onchange=_f1;
	function _f1(){
	    var select1 = $('#magnetizeSelect').find("option:selected").val();
		if(select1 == "others"){
			$('#magnetizeInput').removeClass('hidden');
		}else{
			$('#magnetizeInput').addClass('hidden');
		}
	}

	document.getElementById("claddingSelect").onchange=_f2;
	function _f2(){
		var select2 = $('#claddingSelect').find("option:selected").val();
		if(select2 == "others"){
			$('#claddingInput').removeClass('hidden');
		}else{
			$('#claddingInput').addClass('hidden');
		}
	}
	
});